HMS Affray (P421)
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| History | |
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| Ordered: | Late May 1943 |
| Laid down: | 16 January 1944 |
| Launched: | 12 April 1944 |
| Commissioned: | 25 November 1945 |
| Struck: | June 1951 |
| Identification: | Pennant number: P421 |
| Fate: | Foundered 16 April 1951 |
| General characteristics | |
| Displacement: |
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| Length: | 281 ft 9 in (85.88 m) |
| Beam: | 22 ft 6 in (6.86 m) |
| Draught: | 17 ft (5.2 m) |
| Propulsion: | diesel-electric, 4,300 hp (3,200 kW) surfaced, 1,250 hp (930 kW) submerged |
| Speed: |
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| Range: | 10,500 nmi (19,400 km) at 11 kn (20 km/h) surfaced |
| Complement: | 6 officers and 55 men |
| Armament: |
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HMS Affray, a British Amphion-class submarine, was the last Royal Navy submarine to be lost at sea, on 16 April 1951, with the loss of 75 lives. All vessels of her class were given names beginning with the letter A; she was the only ship of the Royal Navy to be named after a particularly noisy and disorderly fight.
Affray was built in the closing stages of the Second World War. She was one of 16 submarines of her class which were originally designed for use in the Pacific Ocean against Japan.
She was laid down at the Cammell Laird yard in Birkenhead on 16 January 1944, launched on 12 April and commissioned on 25 November 1945. Affray and her sisters were state-of-the-art submarines at the time of their launching. They were the culmination of a rapid submarine development driven by the Second World War. Some elements of her design were taken from captured Nazi German U-boats. Her modular style of manufacture and all-welded hull were unique at the time. For work in the Far East she was equipped with two huge air conditioners, refrigeration, and all her accommodation was placed as far away from the engine room as possible. She also had ten torpedo tubes which made her and her class some of the most formidable submarines in the world at that time.
She was sent to the submarine tender HMS Montclare at Rothesay, as part of the 3rd Submarine Flotilla, before joining her sisters HMS Amphion, Astute, Auriga, Aurochs and the submarine tender HMS Adamant in the British Pacific Fleet. The following four years Affray was on travel and took part in exercises all over the globe, visiting such places as Australia, Singapore, Japan, Morocco, South Africa, Pearl Harbor and Bergen.
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